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Unread 03-04-2010, 16:14
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EricH EricH is offline
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FRC #1197 (Torbots)
Team Role: Engineer
 
Join Date: Jan 2005
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Re: what if I use household 9v batteries?

They would... and they wouldn't.

They'll have an extremely short life in competition, and they'll power the motor at about 3/4 voltage.

Just use a 12V battery. If you can't do that, a pair of 6V batteries in series would probably work.
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Past teams:
2003-2007: FRC0330 BeachBots
2008: FRC1135 Shmoebotics
2012: FRC4046 Schroedinger's Dragons

"Rockets are tricky..."--Elon Musk